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Updated: May 24, 2025
Whatever may be thought of the explanation here advanced of the laminated structure of the rocks of the trachytic series, I venture to call the attention of geologists to the simple fact, that in a body of rock at Ascension, undoubtedly of volcanic origin, layers often of extreme tenuity, quite straight, and parallel to each other, have been produced; some composed of distinct crystals of quartz and diopside, mingled with amorphous augitic specks and granular feldspar, others entirely composed of these black augitic specks, with granules of oxide of iron, and lastly, others formed of crystalline feldspar, in a more or less perfect state of purity, together with numerous crystals of feldspar, placed lengthways.
He afterward said: "Had I known all its dangers, perhaps I should not have started on such an adventure. Certainly, unless induced by some powerful scientific motive, I should not advise any one to follow my example." On this perilous journey he traced the laminated structure to a depth of eighty feet, and even beyond, though with less distinctness.
Paul Meillard was worried about that; everybody else was willing to let matters take their course. Before they were off the ground in their vehicles, a violent dispute had begun, with a bedlam of jabbering and shrieking. By the time they were landing at the camp, the big laminated leather horn had begun to bellow.
These embedded fragments, in some instances, consist of the laminated trachyte broken off and "enveloped in those parts, which still remained liquid." Beudant, also, frequently refers in his great work on "Hungary" tome 3 page 386, to trachytic rocks, irregularly spotted with fragments of the same varieties, which in other parts form the parallel ribbons.
The definition of the word "steel" has been the subject of a scientific quarrel on account of new processes. The grand distinguishing trait of steel, to which it owes all the qualities that make it valuable for the uses to which no other metal can be put, is homogeneity due to fusion. Wrought iron, while having similar chemical qualities, and often as much carbon, is laminated in structure.
Crystallisation, beginning at the centre, must have gone on forming concentric coats around the original nucleus without interfering with the laminated structure of the rock.
The immigration officers had put him through an inquisition suited to potential terrorist cells all because of his tourist visas at Vientiane and Kuala Lumpur prior to his arrival in South Korea. His treatment had not exactly been a welcome home placard; and of course having lost his residency card, that laminated summation of himself, had not helped.
Near the summit the hornblende-slate gradually becomes more and more coarsely crystallised, and less plainly laminated, until it passes into a heavy, sonorous greenstone, with a slaty conchoidal fracture; the laminae on the north and south sides near the summit dip inwards, as if this upper part had expanded or bulged outwards.
The manufacture of the papyrus was as follows; The outer rind having been removed, there was exposed a laminated interior, consisting of a number of successive layers of inner cuticle, generally about twenty.
The clay-slate, dark, soft, and laminated, appeared everywhere. Lower down, on the same slope, Mr. Grant had dug a second shaft, somewhat smaller than the upper: both were full of rain-water. Mr. Walker mentions a large native pit near the centre, whence rich stone had been taken.
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